Пример #1
0
        /// <summary>
        /// Create flash configuration
        /// </summary>
        /// <param name="torch"><see cref="bool"/></param>
        protected void FlashConfiguration(bool torch)
        {
            try
            {
                if (Device == null)
                {
                    return;
                }

                NSError error;
                if (Device.LockForConfiguration(out error))
                {
                    if (!torch && Device.HasFlash)
                    {
                        Device.FlashMode = AVCaptureFlashMode.Off;
                        FlashButton.SetImage(FlashOffImage, UIControlState.Normal);
                    }
                    else if (torch && Device.HasTorch)
                    {
                        Device.TorchMode = AVCaptureTorchMode.Off;
                        FlashButton.SetImage(FlashOffImage, UIControlState.Normal);
                    }
                    Device.UnlockForConfiguration();
                }
            }
            catch { /* ignore */ }
        }
Пример #2
0
        /// <summary>
        /// Set up images for buttons and set up gesture recognizers
        /// </summary>
        protected void Initialize()
        {
            if (Session != null)
            {
                return;
            }

            FlashOnImage  = Configuration.FlashOnImage ?? UIImage.FromBundle("ic_flash_on");
            FlashOffImage = Configuration.FlashOffImage ?? UIImage.FromBundle("ic_flash_off");
            var flipImage = Configuration.FlipImage ?? UIImage.FromBundle("ic_loop");

            if (Configuration.TintIcons)
            {
                FlashButton.TintColor = Configuration.TintColor;
                FlipButton.TintColor  = Configuration.TintColor;

                FlashOnImage  = FlashOnImage?.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate);
                FlashOffImage = FlashOffImage?.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate);
                flipImage     = flipImage?.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate);
            }

            FlashButton.SetImage(FlashOffImage, UIControlState.Normal);
            FlipButton.SetImage(flipImage, UIControlState.Normal);

            FocusView = new UIView(new CGRect(0, 0, 90, 90));
            var tapRecognizer = new UITapGestureRecognizer(Focus);

            PreviewContainer.AddGestureRecognizer(tapRecognizer);

            Hidden = false;
        }
        void ReleaseDesignerOutlets()
        {
            if (CamView != null)
            {
                CamView.Dispose();
                CamView = null;
            }

            if (FlashButton != null)
            {
                FlashButton.Dispose();
                FlashButton = null;
            }

            if (FlashImageView != null)
            {
                FlashImageView.Dispose();
                FlashImageView = null;
            }

            if (Label != null)
            {
                Label.Dispose();
                Label = null;
            }

            if (LabelForDocArea != null)
            {
                LabelForDocArea.Dispose();
                LabelForDocArea = null;
            }

            if (LabelForDocDistortion != null)
            {
                LabelForDocDistortion.Dispose();
                LabelForDocDistortion = null;
            }

            if (OverlayView != null)
            {
                OverlayView.Dispose();
                OverlayView = null;
            }

            if (ProgressView != null)
            {
                ProgressView.Dispose();
                ProgressView = null;
            }
        }
Пример #4
0
        /// <summary>
        /// Toggle the flash or torch
        /// </summary>
        /// <param name="torch"><see cref="bool"/> indicating whether to use torch for video</param>
        protected void Flash(bool torch)
        {
            if (!CameraAvailable)
            {
                return;
            }

            try
            {
                NSError error;
                if (Device.LockForConfiguration(out error))
                {
                    if (torch && Device.HasTorch)
                    {
                        var mode = Device.TorchMode;
                        if (mode == AVCaptureTorchMode.Off)
                        {
                            Device.TorchMode = AVCaptureTorchMode.On;
                            FlashButton.SetImage(FlashOnImage, UIControlState.Normal);
                        }
                        else
                        {
                            Device.TorchMode = AVCaptureTorchMode.Off;
                            FlashButton.SetImage(FlashOffImage, UIControlState.Normal);
                        }
                    }
                    else if (!torch && Device.HasFlash)
                    {
                        var mode = Device.FlashMode;
                        if (mode == AVCaptureFlashMode.Off)
                        {
                            Device.FlashMode = AVCaptureFlashMode.On;
                            FlashButton.SetImage(FlashOnImage, UIControlState.Normal);
                        }
                        else
                        {
                            Device.FlashMode = AVCaptureFlashMode.Off;
                            FlashButton.SetImage(FlashOffImage, UIControlState.Normal);
                        }
                    }

                    Device.UnlockForConfiguration();
                }
            }
            catch
            {
                FlashButton.SetImage(FlashOffImage, UIControlState.Normal);
            }
        }